// needs-llvm-components: x86 // compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib #![no_core] #![feature(no_core, lang_items)] #[lang="sized"] trait Sized { } extern "stdcall" { fn printf(_: *const u8, ...); //~^ ERROR: C-variadic function must have a compatible calling convention, // like C, cdecl, win64, sysv64 or efiapi } extern "C" { fn foo(f: isize, x: u8, ...); } extern "C" fn bar(f: isize, x: u8) {} fn main() { unsafe { foo(); //~ ERROR function takes at least 2 arguments but 0 arguments were supplied foo(1); //~ ERROR function takes at least 2 arguments but 1 argument was supplied let x: unsafe extern "C" fn(f: isize, x: u8) = foo; //~ ERROR mismatched types let y: extern "C" fn(f: isize, x: u8, ...) = bar; //~ ERROR mismatched types foo(1, 2, 3f32); //~ ERROR can't pass foo(1, 2, true); //~ ERROR can't pass foo(1, 2, 1i8); //~ ERROR can't pass foo(1, 2, 1u8); //~ ERROR can't pass foo(1, 2, 1i16); //~ ERROR can't pass foo(1, 2, 1u16); //~ ERROR can't pass } }